Triple

T14252627
Position Surface form Disambiguated ID Type / Status
Subject Newburyport E353306 entity
Predicate servedByRailLine P1293 FINISHED
Object MBTA Newburyport/Rockport Line E17744 NE FINISHED

How this triple was built (2 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: MBTA Newburyport/Rockport Line | Statement: [Newburyport, servedByRailLine, MBTA Newburyport/Rockport Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MBTA Newburyport/Rockport Line
Context triple: [Newburyport, servedByRailLine, MBTA Newburyport/Rockport Line]
  • A. MBTA Fitchburg Line
    The MBTA Fitchburg Line is a commuter rail route in the Greater Boston area that runs between Boston and Fitchburg, serving numerous suburban communities along the way.
  • B. MBTA Framingham/Worcester Line
    The MBTA Framingham/Worcester Line is a Massachusetts Bay Transportation Authority commuter rail route running between Boston and Worcester, serving numerous communities in the western suburbs.
  • C. Newburyport/Rockport Line
    The Newburyport/Rockport Line is a Massachusetts Bay Transportation Authority commuter rail route serving Boston’s North Station and coastal communities north of the city, including Newburyport and Rockport.
  • D. MBTA Commuter Rail Newburyport/Rockport Line chosen
    The MBTA Commuter Rail Newburyport/Rockport Line is a Massachusetts Bay Transportation Authority rail service running from Boston’s North Station through Boston’s North Shore communities to the coastal termini of Newburyport and Rockport.
  • E. MBTA Lowell Line
    The MBTA Lowell Line is a commuter rail service operated by the Massachusetts Bay Transportation Authority that runs between Boston’s North Station and Lowell, serving several communities in northern Massachusetts.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d8278c43e08190824146f4632b89a5 completed April 9, 2026, 10:26 p.m.
NER Named-entity recognition batch_69de6297f38c819090d7c7fd8bfa2e9e completed April 14, 2026, 3:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69fd325a14b881909522b6fbbcc6326f completed May 8, 2026, 12:46 a.m.
Created at: April 10, 2026, 1:09 a.m.